CVE-2024-57943
Last modified
CVE-2024-57943 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: exfat: fix the new buffer was not zeroed before writing Before writing, if a buffer_head marked as new, its data must be zeroed, otherwise uninitialized data in the page cache will be written. So this commit uses folio_zero_new_buffers() to zero the new buffers before ->write_end().. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: exfat: fix the new buffer was not zeroed before writing Before writing, if a buffer_head marked as new, its data must be zeroed, otherwise uninitialized data in the page cache will be written. So this commit uses folio_zero_new_buffers() to zero the new buffers before ->write_end().
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 6.12, < 6.12.10 | — |
| Linux | Linux Kernel | 6.13 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2024-57943?
How severe is CVE-2024-57943?
How do I fix CVE-2024-57943?
Are you affected by CVE-2024-57943?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST